Gehrke J. Fridtjof Nansen: The Oceanography of the North Polar Basin. The Norwegian North Polar Expedition 1893—1896. Scientific Results Volume III No. IX. Fridtjof Nansen: On Hydrometers and the Surface Tension Of Liquids. The Norwegian North Polar Expedition 1893—1896. Scientific Results Volume III No. X. gt [Internet]. 1. januar 1908 [henvist 20. april 2024];19. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/49391